Social responsibility, substance use, and sexual risk behavior in men who have sex with men.

Considerable public health literature focuses on relationships between problematic human characteristics (e.g., psychopathology) and unhealthy behaviors.

Intentional misuse of over-the-counter medications, mental health, and polysubstance use in young adults.

In recent years, the non-medical use of prescription drugs (without a doctor's prescription) has increased dramatically. Less attention has been paid to the intentional misuse of over-the-counter (OTC) medications. Misuse of OTC medications has negative health consequences similar to those of illicit drugs, including psychosis, tachycardia, seizures and agitation.

Non-medical use of prescription drugs and sexual risk behavior in young adults.

In recent years, the non-medical use of prescription drugs (without a doctor's prescription) has increased dramatically, particularly in young adults. Previous work has noted associations between the non-medical use of prescription drugs and the use of illicit drugs, and associations between the use of illicit drugs and sexual risk behavior. Investigations examining associations between the non-medical use of prescription drugs (NMUPD) and sexual risk behavior are sparse.

Nonmedical use of prescription drugs and HIV risk behavior in gay and bisexual men.

Background: Previous research has demonstrated associations between substance use and sexual risk behavior in men who have sex with men (MSM). Recent trends in substance use show increasing use of prescription medications (e.g.